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Table 2 List of potential and actual complications during the observation period

From: Clinical complications during treatment with a modified Herbst appliance in combination with a lingual appliance

Type of complication

Number of actual complications x

Frequencies of x complications, n (%)

Complications associated with mandibular canine/premolar attachments

 TOTAL loose attachment

1

2 (5.71 %)

 

0

33 (94.29 %)

 LEFT TOTAL loose attachment

1

1 (2.86 %)

 

0

34 (97.14 %)

 RIGHT TOTAL loose attachment

1

1 (2.86 %)

 

0

34 (97.14 %)

 TOTAL other complications

0

35 (100 %)

Complications associated with maxillary first molar (second premolar) attachments

 TOTAL loose attachment

2

1 (2.86 %)

 

1

4 (11.43 %)

 

0

30 (85.71 %)

 LEFT TOTAL loose attachment

1

2 (5.71 %)

 

0

33 (94.29 %)

 RIGHT TOTAL loose attachment

1

4 (11.43 %)

 

0

31 (88.57 %)

 TOTAL other complications

0

35 (100 %)

Complications associated with telescopes

 TOTAL disconnected

0

35 (100 %)

 LEFT TOTAL disconnected

0

35 (100 %)

 RIGHT TOTAL disconnected

0

35 (100 %)

 OTHERS: TOTAL others

0

35 (100 %)

L-Pin fractures

 TOTAL

1

5 (14.28 %)

 

0

30 (85.72 %)

 LEFT

1

3 (8.57 %)

 

0

32 (91.43 %)

 RIGHT

1

2 (5.71 %)

 

0

33 (94.29 %)

Archwire fractures during Herbst treatment

 TOTAL

0

35 (100 %)

 LEFT TOTAL

0

35 (100 %)

 RIGHT TOTAL

0

35 (100 %)

Total Complications

 TOTAL Complications

2

3 (8.57 %)

 

1

7 (20 %)

 

0

25 (71.43 %)

 LEFT TOTAL Complications

1

6 (17.14 %)

 

0

29 (82.86 %)

 RIGHT TOTAL Complications

2

1 (2.86 %)

 

1

5 (14.29 %)

 

0

29 (82.86 %)

 Patients with complication

≥1 complication

10 (28.57 %)

 

no complication/censored

25 (71.43 %)